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- 1. Multiple Choice
Find the eccentricity of this equation. r=7/(2-4cosѲ)
7
2
4
1
- 2. Multiple Choice
What type of conic is this equation? r=8/(10 + 5sinѲ)
Ellipse
Hyperbola
Circle
Parabola
- 3. Multiple Choice
Find the equation. e=1/3 y=-2
r=-(2/3)/(1-2/3cosѲ)
r=(2/3)/(1+1/3cosѲ)
r=(2/3)/(1-2/3sinѲ)
r=(2/3)/(1-1/3sinѲ)
- 4. Multiple Choice
Turn this equation into rectangular form. r=2/(3-sinѲ)
9x2+8y2-4=0
9x2+8y2-4y-4=0
9y2+8x2-4x-4=0
3x2+2x2-4x-4=0
- 5. Multiple Choice
Convert (5,200°) to rectangular form.
x=-1.7, y=-4.7
x=4.7, y=1.7
x=1.7, y=4.7
x=-4.7, y=-1.7
- 6. Multiple Choice
Convert (-2,7) to polar form.
r=7.3, Ѳ=105.9°
r=7.3, Ѳ=74.1°
- 7. Multiple Choice
Convert y=3x+2 to polar form and solve
r=2/cosѲ-3sinѲ
2/sinѲcosѲ
r = 2/sinѲ-3cosѲ
r=3/sinѲcosѲ
- 8. Multiple Choice
Find the components of 50 knots at 230°
(-33.8, 32)
(-32, -38.3)
(32, -38.3)
(32, 38.3)
- 9. Multiple Choice
Solve for the remainder of the triangle if, C=55°, c=20, B=25°
No triangle
A=100°, b=24, a=10.3
A=80°, b=24, a=10.3
A=100°, b=10.3, a=24
- 10. Multiple Choice
Solve for the remainder (rest) of the triangle: A=50°, a=20, b=30
c=16.4 B=75° C=55°
No triangle
c=16.4 B=105° C=25°
c=16.4 B=105° and 75° C=55° and 25°
- 11. Multiple Choice
Convert <7, -9> to magnitude/direction
Mag.=11.4, Dir.=307.1°
Mag.=307.1, Dir.=11.4°
Mag.=131.6 Dir=307.1°
NOTA
- 12. Multiple Choice
A kite has the following measurements: a=36 in, b=24 in, c=24 in, B=40°, C=40°. Find the surface area of the kite in square inches.
Not enough info
Area= 20736 in2
Area= 277.7 in2
Area= 864 in2
- 13. Multiple Choice
Identify the conic section. r=(4/5)/(1+(1/2sinѲ))
Parabola
Circle
Hyperbola
Ellipse
- 14. Multiple Choice
Solve for the triangle. A=43°, B=62°, C=75°
a=4.3, b=6.2, c=7.5
Infinite triangles
No triangle
a= 60, b=60, c=60
- 15. Multiple Choice
Given that A=<4,13> and B=<8,5>, find the magnitude and directional angle of ((1/2)A)-(2B)
Mag.=14.4, Dir.=13° CHECK THIS
Not Enough Information
Mag.=13, Dir=14.4°
None of the Above
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